ocamlfind ocamlopt -package ocamlgraph -package csv graph.cmxa
bigarray.cmxa csv.cmxa -c dotParser.ml -o dotParser.cmx
File "dotParser.ml", line 1:
Error: The files /opt/local/lib/ocaml/pervasives.cmi
       and /opt/local/lib/ocaml/site-lib/csv/csv.cmi
       make inconsistent assumptions over interface
CamlinternalFormatBasics